/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: graphicStreamer.h
 * Author : Byungil Jeong, Rajvikram Singh
 *
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either Version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Direct questions, comments etc about SAGE to bijeong@evl.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 *****************************************************************************/
 

#ifndef GRAPHICSTREAMER_H_
#define GRAPHICSTREAMER_H_

#include "sail.h"
#include "streamInfo.h"

class graphicStreamer;

typedef struct {
	int  rcvID;
	int  tileID;
	bool active;
	streamInfo *sInfo;
} streamParam;

class graphicStreamer {
private:
	int winID;
	sailConfig config;
	streamProtocol *nwObj;
	
	int totalConnectionNum;
	int senderNum;
	int rcvNum;
    int streamNum;
	int tileNum;

	streamParam *params;
	streamGroup sGrp;
	sageChildBlock *childBlocks;
	int childBlockNum;

	sageRect imgMap; 
    int margin;
	float bytesPerPixel;
	bool reconfig;
	bool updateChild;
		
	int streamPort;
	bool streamStop;
	int nwID;
	int syncMode;
	bool rcvsReady;
	bool timeBlockFlag;
	unsigned long totalBandWidth;
	
public:
    graphicStreamer();
    ~graphicStreamer();
	int init(sailConfig &config, float pixelSize);
	int resize(int x, int y, int p_depth);
	int streamSageBlock(sageBlock &block, int frame);
	int sendTimeBlock(int frame);
    int initStreams(char *data, int frame);
	int connectToRcv(sageToken &tokenBuf, sageSyncType type);
	
	friend class sail;
};

#endif
